i t L erna! Lettcr JI!L . April 2, 1979 TO o , . 4 F'lOV : f! .# Those Listed R . Kaldor 731, 071-LB24 sunfect . Summary Information Draft for D&D Envionmental Study Attached to this letter is the initial draft of the summary information to be included in the envionmental study for post D&D use of the facilities at Santa Susana . Additional informa- tioned will be included as it is acquired, particularly unde r the "Demography" heading . Many of the figures need to be refined but are used here in order to illustrate what will be included . Comments and criticisms are welcome but are preferred within the next week . R . Kal dor Product Support Those Listed : S . Berger J . W . Carroll R . S . Hart L . G . Kellogg W . D . Kittinge r J . D . Moore M . E . Remley E . San k R . J . Tuttle B . F . Ureda BNA0271478 7 HDMSP001858069 II . DESCRIPTION OF EXISTING ENVIRONMEN T A . LOCATIO N The areas and facilities for which an unrestricted use classification is requested are located at the Energy Systems Group ' s Nuclear Development Field Laboratory (NDFL) . The Rocketdyne Santa Susana Field Laboratory (SSFL) is located adjacent to the NDFL site . Both areas are controlled by Rockwell International Corporation . The NDFL is located in the southeastern portion of Ventura County, adjacent to the Los Angeles County line . The site is approximatel y 29 miles northwest of downtown Los Angeles . The location is shown in Figures IIA-1, IIA-2, and IIA-3 . Its distance from, and directional relationship to various surrounding populated communities is : Santa Susana - 3 miles ( 4 .8 km) nort h Susana Knolls - 3 miles (4 .8 km) northeast Simi - 5 miles ( 8 .0 km) northwest Canoga Park - 6 miles ( 9 .6 km) east-southeast Chatsworth - 6 miles (9 .6 km) east-northeast Calabasas - 7 miles (11.3 km) south Woodland Hills - 7 miles (12 .9 km) southeas t Thousand Oaks - 8 .5 miles (13 .7 km) southwes t The site is situated in a low-lying basin among the Simi Hills and is relatively isolated from the surrounding communities . Its isolation is further enhanced by its elevation which places it 800 to 1000 feet above the populated valley floors . This is depicted in the aerial photograph shown in Figure IIA-4 . The main access road (Woolsey Canyon) to the site originates in the San Fernando Valley near the communities of Chatsworth and Canoga Park . II0Imuimiiimimimuiii III imiuu BNA0271478 8 HDMSP001858070 l .. 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N 1s ~ Mess Pk.e ~ q cad 2 /V•s,rnr ?~ V 1 v I -) \Cjd•P \n` i. `O O L rNA .(, ' PACt t y~ mil[ ~ 1 S \ r q 1 I Q•\ w 0' s .. ,~~ , ~ 1c' ALISADES Q C a lRA l ► : ENTW -OIL Is \( I ,S y ~ n u s N J . :/' ; ,Srr C3 us n1RES 3S T} 3 w[st ,\ i d~ • (' S n t str h LOS ANG E L d • / 1 . Al it '4;V , iw ~• 19 . Im CA4flJ.O -- - ..A 3 n t. TOMNCR 4•s SLAT! REACH ~ v S ~ Nl .W WLL ROtiuLs ♦ I Lechu :a Pt . ~ ' (' d 2 II. a. STAT[ REACH VS• 1 ' J! PALISADES r • IJS TRANCAS 6tt n SEsC q owo ~'+ f MAUBU 1 ► 2 Ci I V [l . N a yam 1/rr ABM •EIICH j 'f IUNA NEACN Co. PANIC . e~, P (\(w M 1 inch 3.5 mile0 ti i5 4 ]~ ~s SANTA MONIC A M 1 NESTMANO NEACN ' I nt~0 Pt DU1A[ RTATR PANS 00-103Z5A ~A - L and . Local Map of Area bu rrounding lI Figure f f I e Nuclear Deve to mentp Field Laboratory Sit . Reproduced by Pe rmie lion) (Copyright Automobile Club of Southern California SIMI SANTA SUSAN A RACK W c (L 7E/ZVAT LOA( ROSCO E RESERVOI R CAN OGA PAR K St M! HILLS BEll CANYON THOUSAND OAKS WOODLAND HILL S LOS ANGELES COUNT Y Figure II A-3 LOCATION OF THE (NF L f 1 I 1 l l f 1 r 1 r : ni r---i r--, r--• r--t r-t r-i r-i r-1 c --i r-' The road has two lanes and is paved throughout its length . Relatively steep grades do occur on the road ; however , it is designed to permit negotiation by commercial trucks and loads . This road has served as the access road for all construction activities since the inception of the Field Laboratory in 1948 . Additional access is provided by the Black Canyon road leading up from the Simi Valley , but this road is adequate for passenger vehicles only . The areas for which an unrestricted use classification is desired are shown in Figure IA-S . These areas are as follows : 1) Building 143 which housed the Sodium Reactor Experiment (SRE) . This includes Buildings 163, 153 , 695, and 753 . 2) Building 003 which served as a storage vault for excess equipment . 3) Buildings 021 and 022 , the Radioactive Materials Disposal Facilities (RMDF) . 4) Building 028 which housed the Shield Test Irradiation Reactor ( STIR) . 5) Building 010, the SNAP 8 Experimental Reactor (SER) Facility . 6) Building 059, the SNAP 8 Ground Prototype Test Facility . 7) Area upon which Building 073, the Kinetic Energy water Boiler , was located . Other areas for which this classification is desired include the RMDF leach field located behind Buildings 021 and 022, the SRE retention pond (773), the drainage sump (614) located behind Building 028, and two waste storage vaults, Buildings 653 and 686 . IIDI IDI liD ID 1101 DID III DID IID III 101 DI 1 II BNA02] t 4]92 HDMSP001858074 ,Z'A - 5 ATOMICS INTERNATIONAL NDFL Site - _ wilding Arrangeme ::'. NUCLEAR DEVELOPMENT FIELD LABORATORIE S SANTA SUSAN A MARCH 1976 STN= IC+NI Mi .